./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf50661cace84e24af5f399094bd98fed0ff7444 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:38:34,964 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:38:34,965 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:38:34,971 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:38:34,971 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:38:34,971 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:38:34,972 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:38:34,973 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:38:34,974 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:38:34,975 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:38:34,975 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:38:34,975 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:38:34,976 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:38:34,976 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:38:34,977 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:38:34,977 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:38:34,978 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:38:34,979 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:38:34,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:38:34,980 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:38:34,981 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:38:34,982 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:38:34,983 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:38:34,983 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:38:34,983 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:38:34,984 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:38:34,984 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:38:34,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:38:34,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:38:34,986 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:38:34,986 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:38:34,986 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:38:34,986 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:38:34,987 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:38:34,987 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:38:34,987 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:38:34,988 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 16:38:34,995 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:38:34,995 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:38:34,995 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:38:34,996 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:38:34,996 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:38:34,996 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:38:34,996 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:38:34,996 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:38:34,996 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:38:34,996 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:38:34,997 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:38:34,997 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:38:34,997 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:38:34,997 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:38:34,997 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:38:34,997 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:38:34,997 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:38:34,997 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:38:34,997 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:38:34,997 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:38:34,997 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:38:34,998 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:38:34,998 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:38:34,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:38:34,998 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:38:34,998 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:38:34,998 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:38:34,998 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:38:34,998 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:38:34,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:38:34,998 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf50661cace84e24af5f399094bd98fed0ff7444 [2018-12-08 16:38:35,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:38:35,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:38:35,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:38:35,025 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:38:35,025 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:38:35,026 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-12-08 16:38:35,059 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/data/6af70b9f6/1fd5be348b304a21b34d4cc906299ccc/FLAGce7cc8689 [2018-12-08 16:38:35,434 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:38:35,435 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-12-08 16:38:35,441 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/data/6af70b9f6/1fd5be348b304a21b34d4cc906299ccc/FLAGce7cc8689 [2018-12-08 16:38:35,790 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/data/6af70b9f6/1fd5be348b304a21b34d4cc906299ccc [2018-12-08 16:38:35,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:38:35,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:38:35,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:38:35,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:38:35,801 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:38:35,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:38:35" (1/1) ... [2018-12-08 16:38:35,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4215f226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:35, skipping insertion in model container [2018-12-08 16:38:35,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:38:35" (1/1) ... [2018-12-08 16:38:35,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:38:35,841 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:38:35,991 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:38:35,999 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:38:36,077 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:38:36,094 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:38:36,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36 WrapperNode [2018-12-08 16:38:36,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:38:36,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:38:36,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:38:36,095 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:38:36,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (1/1) ... [2018-12-08 16:38:36,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (1/1) ... [2018-12-08 16:38:36,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:38:36,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:38:36,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:38:36,116 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:38:36,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (1/1) ... [2018-12-08 16:38:36,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (1/1) ... [2018-12-08 16:38:36,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (1/1) ... [2018-12-08 16:38:36,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (1/1) ... [2018-12-08 16:38:36,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (1/1) ... [2018-12-08 16:38:36,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (1/1) ... [2018-12-08 16:38:36,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (1/1) ... [2018-12-08 16:38:36,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:38:36,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:38:36,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:38:36,138 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:38:36,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:38:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:38:36,172 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:38:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:38:36,172 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:38:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 16:38:36,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 16:38:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:38:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:38:36,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:38:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:38:36,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:38:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 16:38:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 16:38:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:38:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:38:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:38:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:38:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 16:38:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 16:38:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 16:38:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 16:38:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 16:38:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 16:38:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 16:38:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 16:38:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:38:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:38:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:38:36,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:38:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:38:36,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:38:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:38:36,174 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:38:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:38:36,174 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:38:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:38:36,174 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:38:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:38:36,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:38:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:38:36,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:38:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:38:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:38:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:38:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:38:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:38:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:38:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 16:38:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 16:38:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:38:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:38:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:38:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:38:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:38:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:38:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:38:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:38:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:38:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:38:36,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:38:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-08 16:38:36,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-08 16:38:36,466 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:38:36,466 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:38:36,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:38:36 BoogieIcfgContainer [2018-12-08 16:38:36,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:38:36,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:38:36,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:38:36,470 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:38:36,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:38:35" (1/3) ... [2018-12-08 16:38:36,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3217dd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:38:36, skipping insertion in model container [2018-12-08 16:38:36,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:38:36" (2/3) ... [2018-12-08 16:38:36,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3217dd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:38:36, skipping insertion in model container [2018-12-08 16:38:36,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:38:36" (3/3) ... [2018-12-08 16:38:36,473 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-12-08 16:38:36,481 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:38:36,488 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:38:36,497 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:38:36,515 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:38:36,516 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:38:36,516 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:38:36,516 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:38:36,516 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:38:36,516 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:38:36,516 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:38:36,516 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:38:36,517 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:38:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-12-08 16:38:36,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:38:36,537 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:36,537 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:36,539 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:36,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:36,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1498738476, now seen corresponding path program 1 times [2018-12-08 16:38:36,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:36,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:36,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:36,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:36,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:36,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:36,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:38:36,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:38:36,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:38:36,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:38:36,701 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-12-08 16:38:36,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:36,726 INFO L93 Difference]: Finished difference Result 300 states and 375 transitions. [2018-12-08 16:38:36,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:38:36,727 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 16:38:36,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:36,734 INFO L225 Difference]: With dead ends: 300 [2018-12-08 16:38:36,734 INFO L226 Difference]: Without dead ends: 150 [2018-12-08 16:38:36,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:38:36,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-08 16:38:36,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-08 16:38:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-08 16:38:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2018-12-08 16:38:36,767 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2018-12-08 16:38:36,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:36,767 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2018-12-08 16:38:36,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:38:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2018-12-08 16:38:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:38:36,769 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:36,769 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:36,769 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:36,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:36,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1709760892, now seen corresponding path program 1 times [2018-12-08 16:38:36,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:36,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:36,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:36,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:36,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:36,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:36,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:38:36,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:38:36,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:38:36,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:38:36,826 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 3 states. [2018-12-08 16:38:36,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:36,840 INFO L93 Difference]: Finished difference Result 249 states and 297 transitions. [2018-12-08 16:38:36,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:38:36,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 16:38:36,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:36,841 INFO L225 Difference]: With dead ends: 249 [2018-12-08 16:38:36,841 INFO L226 Difference]: Without dead ends: 141 [2018-12-08 16:38:36,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:38:36,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-08 16:38:36,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-08 16:38:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-08 16:38:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2018-12-08 16:38:36,850 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2018-12-08 16:38:36,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:36,850 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2018-12-08 16:38:36,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:38:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2018-12-08 16:38:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:38:36,851 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:36,851 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:36,852 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:36,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:36,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1598085398, now seen corresponding path program 1 times [2018-12-08 16:38:36,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:36,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:36,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:36,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:36,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:36,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:36,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:38:36,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:38:36,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:38:36,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:38:36,912 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 7 states. [2018-12-08 16:38:37,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:37,084 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2018-12-08 16:38:37,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:38:37,084 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 16:38:37,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:37,086 INFO L225 Difference]: With dead ends: 258 [2018-12-08 16:38:37,086 INFO L226 Difference]: Without dead ends: 141 [2018-12-08 16:38:37,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:38:37,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-08 16:38:37,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-08 16:38:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-08 16:38:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-12-08 16:38:37,099 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2018-12-08 16:38:37,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:37,099 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-12-08 16:38:37,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:38:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-12-08 16:38:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 16:38:37,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:37,102 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:37,102 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:37,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:37,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1284631829, now seen corresponding path program 1 times [2018-12-08 16:38:37,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:37,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:37,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:37,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:37,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:37,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:37,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 16:38:37,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:38:37,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:38:37,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:38:37,175 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 5 states. [2018-12-08 16:38:37,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:37,490 INFO L93 Difference]: Finished difference Result 367 states and 446 transitions. [2018-12-08 16:38:37,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:38:37,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-08 16:38:37,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:37,491 INFO L225 Difference]: With dead ends: 367 [2018-12-08 16:38:37,491 INFO L226 Difference]: Without dead ends: 250 [2018-12-08 16:38:37,492 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:38:37,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-12-08 16:38:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2018-12-08 16:38:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-12-08 16:38:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2018-12-08 16:38:37,506 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2018-12-08 16:38:37,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:37,506 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2018-12-08 16:38:37,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:38:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2018-12-08 16:38:37,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 16:38:37,507 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:37,508 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:37,508 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:37,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:37,508 INFO L82 PathProgramCache]: Analyzing trace with hash -65271002, now seen corresponding path program 1 times [2018-12-08 16:38:37,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:37,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:37,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:37,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:37,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:37,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:37,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:37,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 16:38:37,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:38:37,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:38:37,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:38:37,578 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 8 states. [2018-12-08 16:38:37,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:37,611 INFO L93 Difference]: Finished difference Result 447 states and 523 transitions. [2018-12-08 16:38:37,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:38:37,612 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-12-08 16:38:37,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:37,614 INFO L225 Difference]: With dead ends: 447 [2018-12-08 16:38:37,614 INFO L226 Difference]: Without dead ends: 239 [2018-12-08 16:38:37,615 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:38:37,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-12-08 16:38:37,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 236. [2018-12-08 16:38:37,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-12-08 16:38:37,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 268 transitions. [2018-12-08 16:38:37,634 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 268 transitions. Word has length 83 [2018-12-08 16:38:37,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:37,634 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 268 transitions. [2018-12-08 16:38:37,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:38:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 268 transitions. [2018-12-08 16:38:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 16:38:37,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:37,636 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:37,636 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:37,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:37,636 INFO L82 PathProgramCache]: Analyzing trace with hash -766870876, now seen corresponding path program 1 times [2018-12-08 16:38:37,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:37,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:37,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:37,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:37,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:37,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:37,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:38:37,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:38:37,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:38:37,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:38:37,706 INFO L87 Difference]: Start difference. First operand 236 states and 268 transitions. Second operand 6 states. [2018-12-08 16:38:37,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:37,851 INFO L93 Difference]: Finished difference Result 645 states and 754 transitions. [2018-12-08 16:38:37,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:38:37,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-08 16:38:37,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:37,853 INFO L225 Difference]: With dead ends: 645 [2018-12-08 16:38:37,853 INFO L226 Difference]: Without dead ends: 433 [2018-12-08 16:38:37,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:38:37,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-12-08 16:38:37,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 427. [2018-12-08 16:38:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-12-08 16:38:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 486 transitions. [2018-12-08 16:38:37,870 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 486 transitions. Word has length 83 [2018-12-08 16:38:37,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:37,870 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 486 transitions. [2018-12-08 16:38:37,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:38:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 486 transitions. [2018-12-08 16:38:37,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 16:38:37,871 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:37,872 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:37,872 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:37,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:37,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1867403624, now seen corresponding path program 1 times [2018-12-08 16:38:37,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:37,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:37,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:37,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:37,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:37,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:37,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:37,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:38:37,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:38:37,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:38:37,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:38:37,927 INFO L87 Difference]: Start difference. First operand 427 states and 486 transitions. Second operand 7 states. [2018-12-08 16:38:38,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:38,221 INFO L93 Difference]: Finished difference Result 460 states and 536 transitions. [2018-12-08 16:38:38,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:38:38,222 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-08 16:38:38,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:38,224 INFO L225 Difference]: With dead ends: 460 [2018-12-08 16:38:38,224 INFO L226 Difference]: Without dead ends: 457 [2018-12-08 16:38:38,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:38:38,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-12-08 16:38:38,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 427. [2018-12-08 16:38:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-12-08 16:38:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 485 transitions. [2018-12-08 16:38:38,240 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 485 transitions. Word has length 87 [2018-12-08 16:38:38,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:38,240 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 485 transitions. [2018-12-08 16:38:38,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:38:38,240 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 485 transitions. [2018-12-08 16:38:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 16:38:38,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:38,242 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:38,242 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:38,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:38,242 INFO L82 PathProgramCache]: Analyzing trace with hash 157461945, now seen corresponding path program 1 times [2018-12-08 16:38:38,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:38,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:38,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:38,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:38,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:38:38,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:38,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:38:38,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:38:38,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:38:38,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:38:38,308 INFO L87 Difference]: Start difference. First operand 427 states and 485 transitions. Second operand 6 states. [2018-12-08 16:38:38,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:38,340 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2018-12-08 16:38:38,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:38:38,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-08 16:38:38,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:38,343 INFO L225 Difference]: With dead ends: 844 [2018-12-08 16:38:38,343 INFO L226 Difference]: Without dead ends: 441 [2018-12-08 16:38:38,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:38:38,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-12-08 16:38:38,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 437. [2018-12-08 16:38:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-12-08 16:38:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2018-12-08 16:38:38,366 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2018-12-08 16:38:38,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:38,366 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2018-12-08 16:38:38,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:38:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2018-12-08 16:38:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 16:38:38,368 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:38,368 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:38,368 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:38,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:38,368 INFO L82 PathProgramCache]: Analyzing trace with hash 937564156, now seen corresponding path program 1 times [2018-12-08 16:38:38,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:38,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:38,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:38,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:38,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:38:38,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:38:38,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:38:38,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:38:38,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:38:38,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:38:38,440 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 4 states. [2018-12-08 16:38:38,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:38,567 INFO L93 Difference]: Finished difference Result 1297 states and 1546 transitions. [2018-12-08 16:38:38,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:38:38,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-08 16:38:38,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:38,570 INFO L225 Difference]: With dead ends: 1297 [2018-12-08 16:38:38,570 INFO L226 Difference]: Without dead ends: 884 [2018-12-08 16:38:38,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:38:38,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-12-08 16:38:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 869. [2018-12-08 16:38:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-12-08 16:38:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1015 transitions. [2018-12-08 16:38:38,597 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1015 transitions. Word has length 103 [2018-12-08 16:38:38,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:38,597 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1015 transitions. [2018-12-08 16:38:38,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:38:38,597 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1015 transitions. [2018-12-08 16:38:38,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 16:38:38,598 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:38,599 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:38,599 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:38,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:38,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1484540002, now seen corresponding path program 1 times [2018-12-08 16:38:38,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:38,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:38,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:38,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:38,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:38,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:38:38,687 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:38:38,687 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:38:38,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:38,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:38:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:38:38,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:38:38,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 16:38:38,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 16:38:38,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 16:38:38,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:38:38,934 INFO L87 Difference]: Start difference. First operand 869 states and 1015 transitions. Second operand 19 states. [2018-12-08 16:38:39,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:39,600 INFO L93 Difference]: Finished difference Result 1682 states and 1988 transitions. [2018-12-08 16:38:39,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 16:38:39,600 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-12-08 16:38:39,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:39,602 INFO L225 Difference]: With dead ends: 1682 [2018-12-08 16:38:39,602 INFO L226 Difference]: Without dead ends: 837 [2018-12-08 16:38:39,604 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 16:38:39,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2018-12-08 16:38:39,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2018-12-08 16:38:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2018-12-08 16:38:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 963 transitions. [2018-12-08 16:38:39,628 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 963 transitions. Word has length 107 [2018-12-08 16:38:39,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:39,628 INFO L480 AbstractCegarLoop]: Abstraction has 837 states and 963 transitions. [2018-12-08 16:38:39,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 16:38:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 963 transitions. [2018-12-08 16:38:39,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-08 16:38:39,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:38:39,630 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:38:39,630 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:38:39,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:38:39,630 INFO L82 PathProgramCache]: Analyzing trace with hash 98941654, now seen corresponding path program 1 times [2018-12-08 16:38:39,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:38:39,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:38:39,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:39,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:39,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:38:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 16:38:39,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:38:39,721 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:38:39,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:38:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:38:39,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:38:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:38:39,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:38:39,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 16:38:39,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 16:38:39,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 16:38:39,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:38:39,935 INFO L87 Difference]: Start difference. First operand 837 states and 963 transitions. Second operand 19 states. [2018-12-08 16:38:40,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:38:40,450 INFO L93 Difference]: Finished difference Result 1397 states and 1636 transitions. [2018-12-08 16:38:40,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 16:38:40,451 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2018-12-08 16:38:40,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:38:40,451 INFO L225 Difference]: With dead ends: 1397 [2018-12-08 16:38:40,451 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:38:40,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 16:38:40,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:38:40,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:38:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:38:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:38:40,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-12-08 16:38:40,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:38:40,454 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:38:40,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 16:38:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:38:40,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:38:40,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:38:40,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:38:40,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:38:40,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:38:40,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:38:40,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:38:40,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:38:40,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:38:40,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:38:40,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:38:40,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:38:40,995 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-12-08 16:38:41,774 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-12-08 16:38:42,197 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-08 16:38:42,197 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-08 16:38:42,197 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-08 16:38:42,197 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-08 16:38:42,197 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-08 16:38:42,197 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:42,197 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2018-12-08 16:38:42,197 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:42,197 INFO L444 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:42,197 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2018-12-08 16:38:42,197 INFO L448 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2018-12-08 16:38:42,197 INFO L448 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2018-12-08 16:38:42,198 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:42,198 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:42,198 INFO L444 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:42,198 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2018-12-08 16:38:42,198 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 16:38:42,198 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2018-12-08 16:38:42,198 INFO L444 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-08 16:38:42,198 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-08 16:38:42,198 INFO L444 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-08 16:38:42,198 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2018-12-08 16:38:42,198 INFO L448 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2018-12-08 16:38:42,198 INFO L444 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-08 16:38:42,198 INFO L448 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2018-12-08 16:38:42,198 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2018-12-08 16:38:42,198 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2018-12-08 16:38:42,199 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-08 16:38:42,199 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2018-12-08 16:38:42,199 INFO L451 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2018-12-08 16:38:42,199 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-12-08 16:38:42,199 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-08 16:38:42,200 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse4 .cse0 .cse1))) [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-08 16:38:42,200 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse3 .cse0) (or .cse4 .cse2 .cse0))) [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2018-12-08 16:38:42,200 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2018-12-08 16:38:42,200 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:42,200 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L444 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L444 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-08 16:38:42,201 INFO L444 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-12-08 16:38:42,201 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-12-08 16:38:42,201 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L444 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= activatePump_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 16:38:42,202 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L444 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L451 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-12-08 16:38:42,202 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-12-08 16:38:42,203 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse7 .cse8 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse3 .cse0 .cse1) (or .cse3 .cse7 .cse4 .cse1 .cse8)))) [2018-12-08 16:38:42,203 INFO L444 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse6)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse5 (not (= |old(~pumpRunning~0)| 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 .cse8 .cse3 .cse5) (or .cse0 .cse8 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse7)))) [2018-12-08 16:38:42,203 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse3 .cse7 .cse8 .cse1) (or .cse7 .cse1 .cse2 .cse8) (or .cse3 .cse0 .cse1)))) [2018-12-08 16:38:42,203 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (not (= |old(~pumpRunning~0)| 0)) .cse1)) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse2 .cse1 .cse0))) [2018-12-08 16:38:42,203 INFO L448 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2018-12-08 16:38:42,203 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2018-12-08 16:38:42,203 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2018-12-08 16:38:42,203 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2018-12-08 16:38:42,203 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2018-12-08 16:38:42,203 INFO L451 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2018-12-08 16:38:42,203 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-12-08 16:38:42,203 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-12-08 16:38:42,203 INFO L451 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2018-12-08 16:38:42,203 INFO L448 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-12-08 16:38:42,203 INFO L451 ceAbstractionStarter]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2018-12-08 16:38:42,203 INFO L451 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2018-12-08 16:38:42,203 INFO L448 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-12-08 16:38:42,203 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-12-08 16:38:42,203 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-12-08 16:38:42,203 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-08 16:38:42,204 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-08 16:38:42,204 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-12-08 16:38:42,204 INFO L444 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| 0) .cse2 .cse4) (or (and .cse5 .cse3) .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse5))) [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-12-08 16:38:42,204 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-12-08 16:38:42,205 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 16:38:42,205 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2018-12-08 16:38:42,205 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-12-08 16:38:42,205 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2018-12-08 16:38:42,205 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2018-12-08 16:38:42,205 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2018-12-08 16:38:42,205 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2018-12-08 16:38:42,205 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 16:38:42,205 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-12-08 16:38:42,205 INFO L444 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 16:38:42,205 INFO L448 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-12-08 16:38:42,205 INFO L448 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-12-08 16:38:42,205 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2018-12-08 16:38:42,205 INFO L451 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2018-12-08 16:38:42,205 INFO L448 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-12-08 16:38:42,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:38:42 BoogieIcfgContainer [2018-12-08 16:38:42,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:38:42,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:38:42,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:38:42,213 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:38:42,213 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:38:36" (3/4) ... [2018-12-08 16:38:42,215 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 16:38:42,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:38:42,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-08 16:38:42,225 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-08 16:38:42,225 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 16:38:42,226 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:38:42,226 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:38:42,226 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:38:42,227 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:38:42,245 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-12-08 16:38:42,245 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:38:42,274 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_77a357f8-365b-47cf-b0a3-6806efa03e5b/bin-2019/uautomizer/witness.graphml [2018-12-08 16:38:42,274 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:38:42,275 INFO L168 Benchmark]: Toolchain (without parser) took 6480.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 379.1 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -280.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:42,275 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:38:42,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:42,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:38:42,276 INFO L168 Benchmark]: Boogie Preprocessor took 22.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:38:42,276 INFO L168 Benchmark]: RCFGBuilder took 328.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:42,276 INFO L168 Benchmark]: TraceAbstraction took 5744.85 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 250.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -191.5 MB). Peak memory consumption was 423.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:42,276 INFO L168 Benchmark]: Witness Printer took 61.68 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:42,278 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 328.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5744.85 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 250.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -191.5 MB). Peak memory consumption was 423.1 MB. Max. memory is 11.5 GB. * Witness Printer took 61.68 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 163 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2180 SDtfs, 1524 SDslu, 7924 SDs, 0 SdLazy, 3314 SolverSat, 362 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 430 GetRequests, 320 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 76 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 1753 PreInvPairs, 1841 NumberOfFragments, 1651 HoareAnnotationTreeSize, 1753 FomulaSimplifications, 2066 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 68 FomulaSimplificationsInter, 6713 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1238 NumberOfCodeBlocks, 1238 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 214738 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1655 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 112/116 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...